Top #fractal dweets

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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rodrigo.siqueira

remix of d/15329 by u/tomxor

function u(t) {

for(A=a=b=0,i=1e4*(t<9);i--;x.fillRect(a*1500-440,b*1380+330,.5,.2))r=0|3*Math.random(),a+=.3*(r-a*1.2+b*S(a*3)),b+=.3*(1-A*b+C(A*3)),A=a

Sep 23 2020 1:58 PM UTC

}// 137/140

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Parsley crop #fractal #plant #tree

u/jellyedwards

Very cool! Kinda looks like fog clearing in a forest
u/andrea270872

Wow. Always a bit more than I think possible with a Dwit!
u/DataMeta

#organic

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thorbear

function u(t) {

a=b=t;s=400;x.globalAlpha=.05;for(i=2e3;--i;)x.fillStyle=R(s*a*b,0,i),x.fillRect(960+a*s,540+b*s,5,5),a=S(2*b)-C(5*a),b=S(-2*a)-C(3*b)

Jan 30 2019 11:52 PM UTC

}// 134/140

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dejong

Show more comments…
u/rodrigo.siqueira

Great!! This is the famous Clifford Pickover Attractor!! It appears in his book Chaos in Wonderland (by the way, I am cited in this book as a fractal poet). Many beautiful variations of this Attractor can be made by changing only 4 parameters. #fractal
u/katkip

I don't understand
u/SMON

I wonder what's going on here. Is there any way to understand this? :)
u/thorbear

Didnt know about Clifford. Used the formulae on P.Bourkes page: http://paulbourke.net/fractals/peterdejong/
u/thorbear

He also has one on the Clifford attractor under /fractals/clifford
u/robbyg

Well done with the #attractor -- I didn't get color in mine: https://www.dwitter.net/d/8503
u/rodrigo.siqueira

Similar to #pickover attractor

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rodrigo.siqueira

remix of d/29370 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=5e4;i--;b=b/1.5-C(a*3.06),a+=(i*t/b&1)*3.05-b*S(a*3.9)/6-a*a/4.1)x.fillRect(b*750-a**11*i+a*a*3e3+130,a*3e3-700-b*200,.2,t<2)

Feb 1 2024 6:48 PM UTC

}// 137/140

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Branchings and shadows of the fractal tree #fractal #tree

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rodrigo.siqueira

remix of d/25376 by u/rodrigo.siqueira

function u(t) {

f=(x,y,n=3)=>y<Math.random()*X-x?f(x*x-y*y+.3,3*x*S(y),n+1):S(n/5)**2
for(i=2e4;i--;x.fillRect(X=u&2047,u>>11,f(X/990-1,u/2e6-1.1),1))u=-~u

Apr 27 2022 8:03 PM UTC

}// 139/140

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Electric #fractal with rays and bifurcations #bifurcation

u/magna

wow!
u/pavel

Brainy!
u/rep_movsd

Galaxy brain

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rodrigo.siqueira

remix of d/25260 by u/rodrigo.siqueira

function u(t) {

for(X=2e3;X--;x.fillRect(X,S(X*t)*999,K=9/t+1,K)){i=a=X/4e3,b=S(X*t)/3-.9
do{d=a*a-b*b-.6,b=2*a*b+.5,a=d,i++}while(1/a<9)x.fillStyle=R(i*4)}

Mar 31 2022 8:22 PM UTC

}// 140/140

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Dark red spiral #fractal, fast rendering

u/Joachim

awesome! #scary
u/vain

so awesome! Looks like a phantasy backdrop! (forest of magic trees)

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danny@hille.dk

remix of d/24593 by u/Pascal

function u(t) {

for(j=8;j--&&t<4;)for(i=1080;i--;x.fillRect(a=t*60+j*240,i,m=f(a/600-1.6,i/600-1)**2,1/m))f=(X,Y,n=19)=>X<3?f(X*X-Y*Y-.7,2.3*X*Y-.2,--n):n/9

Dec 21 2021 9:51 PM UTC

}// 140/140

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Embossed Julia #fractal remix

u/danny@hille.dk

ultra fast rendering->for(j=32;j--&&t<1;)for(i=1080;i--;x.fillRect(a=t*60+j*60,i,m=f(a/600-1.6,i/600-1)**2,1/m))f=(X,Y,n=19)=>X<3?f(X*X-Y*Y-.7,2.3*X*Y-.2,--n):n/9

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Pascal

function u(t) {

for(j=4;j--&&t<8;)for(i=1080;i--;x.fillRect(a=t*60+j*480,i,2,f(a/600-1.6,i/600-.9)**2))f=(X,Y,n=83)=>X<2?f(X*X-Y*Y-.81,2*X*Y-.205,--n):n/83

Dec 18 2021 4:07 PM UTC

}// 139/140

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Julia #fractal for c = -0.81 - 0.205i

u/andrea270872

the "leaves" inside the fractal are just so beautiful!

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Jezza

function u(t) {

for(i=9,j=.1,X=960,k=Y=540;k/=2,i--;j*=-3)X+=C(t*j)*k,Y+=S(t*j)*k,x.fillRect(X,Y,1,1)

Apr 29 2019 2:38 AM UTC

}// 85/140

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#epicycles #notstrictlyepicycles

u/vinca

Beautiful and minimal code.
u/artfarnaa

Agree, well done.
u/katkip

WTF! You published a #fractal #spirograph with 5 minutes before me! I was gonna create the exact same ideea. Wow

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iverjo

remix of d/894 by u/iverjo

function u(t) {

for(j=1080;j--;x.fillRect(T=frame,j,1,S(k/9),x.fillStyle=R(k,j,T)))for(a=b=0,k=35;k--&&a*a+b*b<4;a=c)c=a*a-b*b+T/540-2,b=2*a*b+j/540-1

Mar 10 2018 12:28 PM UTC

}// 134/140

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Golfed version of the color mandelbrot

u/DirtyDan

I'm a sucker for Mandelbrot dweets. Bravo!
u/iverjo

#mandelbrot
u/iverjo

#fractal
u/iverjo

#slow_render
u/Qwitter

escape time !

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hamptonio

remix of d/123 by u/icecuber

function u(t) {

t?i++:i=0;for(j=1e3;j--;){a=b=0;k=256;for(;k--&&a*a+b*b<4;)c=a*a-b*b+i/1e4,b=2*a*b+j/1e4+.6,a=c;x.fillRect(i,j,1,S(k))}

Feb 26 2017 9:48 PM UTC

}// 119/140

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u/iverjo

Worth the wait
u/hamptonio

Yeah its pretty damn slow.
u/KHymatim

Mmmmm
u/iverjo

#fractal

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